:root {
  --azul: #1f3a5f;
  --azul-claro: #e6edf7;
  --fundo: #eef2f7;
  --cartao: #ffffff;
  --bolha-bot: #f1f4f8;
  --texto: #1b1b1b;
  --texto-suave: #5a6b80;
  --borda: #e3e8ef;
  --verde: #2e8b57;
  --vermelho: #b03a2e;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  background: var(--fundo);
  color: var(--texto);
}

.app {
  max-width: 1180px;
  height: calc(100vh - 32px);
  margin: 16px auto;
  background: var(--cartao);
  border-radius: 12px;
  box-shadow: 0 4px 18px rgba(0, 0, 0, .12);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.topo {
  background: var(--azul);
  color: #fff;
  padding: 14px 22px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.logo {
  width: 40px; height: 40px; border-radius: 50%;
  background: #fff; color: var(--azul);
  font-weight: 700; font-size: 13px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.titulo h1 { font-size: 17px; margin: 0; font-weight: 600; }
.titulo small { font-size: 12px; opacity: .85; }
.status {
  margin-left: auto;
  font-size: 12px;
  background: var(--verde);
  padding: 4px 10px;
  border-radius: 12px;
  white-space: nowrap;
}
.status.alerta { background: #c77c02; }
.status.erro { background: var(--vermelho); }
.btn-secundario {
  background: transparent; color: #fff;
  border: 1px solid rgba(255, 255, 255, .6);
  border-radius: 16px; padding: 6px 12px;
  font-size: 12px; cursor: pointer;
}
.btn-secundario:hover { background: rgba(255, 255, 255, .12); }

.conteudo { flex: 1; display: flex; min-height: 0; }

.chat { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.mensagens {
  flex: 1;
  overflow-y: auto;
  padding: 18px 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.msg {
  max-width: 78%;
  padding: 11px 14px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.5;
}
.msg .texto { white-space: pre-wrap; overflow-wrap: anywhere; }
.msg.user { align-self: flex-end; background: var(--azul); color: #fff; border-bottom-right-radius: 3px; }
.msg.bot { align-self: flex-start; background: var(--bolha-bot); border-bottom-left-radius: 3px; }
.msg.bot .quem { font-size: 11px; color: var(--texto-suave); margin-bottom: 4px; font-weight: 600; }
.msg.digitando .texto { color: var(--texto-suave); font-style: italic; }
.msg.escrevendo .texto::after {
  content: "▍";
  margin-left: 1px;
  color: var(--azul);
  animation: cursor-piscando 1s steps(2, start) infinite;
}
@keyframes cursor-piscando { to { visibility: hidden; } }
@media (prefers-reduced-motion: reduce) { .msg.escrevendo .texto::after { animation: none; } }
.msg.erro { background: #fde2e2; }
.msg a { color: var(--azul); }

.aviso { margin-top: 8px; font-size: 12px; color: #8a5a00; }

.fontes {
  margin-top: 8px;
  border-top: 1px dashed #b9c4d2;
  padding-top: 7px;
  font-size: 12px;
  color: #334;
}
.fontes strong { color: var(--azul); }
.fontes ul { margin: 4px 0 0; padding-left: 18px; }
.fontes li { margin: 3px 0; }

.avaliacao { margin-top: 6px; font-size: 12px; color: var(--texto-suave); display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.avaliacao button {
  border: 1px solid #c7d0dc; border-radius: 10px;
  padding: 2px 9px; background: #fff; cursor: pointer; font-size: 12px;
}
.avaliacao button:disabled { opacity: .5; cursor: default; }

.entrada {
  border-top: 1px solid var(--borda);
  padding: 12px 22px 4px;
  display: flex;
  gap: 10px;
}
.entrada input {
  flex: 1;
  border: 1px solid #c7d0dc;
  border-radius: 22px;
  padding: 11px 16px;
  font-size: 14px;
  min-width: 0;
}
.entrada input:focus { outline: 2px solid var(--azul-claro); border-color: var(--azul); }
.entrada button {
  background: var(--azul); color: #fff;
  border: 0; border-radius: 22px;
  padding: 11px 20px; font-size: 14px; font-weight: 600; cursor: pointer;
}
.entrada button:disabled { opacity: .6; cursor: wait; }
.nota { font-size: 11px; color: #6b7a8f; margin: 4px 22px 12px; }

.painel {
  width: 300px;
  border-left: 1px solid var(--borda);
  padding: 16px;
  background: #fafbfd;
  font-size: 13px;
  overflow-y: auto;
}
.painel h2 {
  margin: 16px 0 8px;
  font-size: 13px;
  color: var(--azul);
  text-transform: uppercase;
  letter-spacing: .4px;
}
.painel h2:first-child { margin-top: 0; }
.sugestoes { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  background: var(--azul-claro); color: var(--azul);
  border: 0; border-radius: 12px;
  padding: 5px 10px; font-size: 12px; cursor: pointer; text-align: left;
}
.chip:hover { background: #d6e2f2; }
.lista { padding-left: 16px; margin: 0; color: #333; }
.lista li { margin: 5px 0; }
.lista small { color: var(--texto-suave); }

.oculto { position: absolute; left: -9999px; }

@media (max-width: 860px) {
  .app { height: 100vh; margin: 0; border-radius: 0; }
  .painel { display: none; }
  .msg { max-width: 92%; }
  .mensagens { padding: 14px 16px; }
  .entrada { padding: 10px 16px 4px; }
  .nota { margin: 4px 16px 10px; }
  .titulo small { display: none; }
}

.sobreposicao {
  position: fixed; inset: 0; z-index: 10;
  background: rgba(31, 58, 95, .92);
  display: flex; align-items: center; justify-content: center;
  padding: 16px;
}
.sobreposicao[hidden] { display: none; }
.cartao-nome {
  background: #fff; border-radius: 12px; padding: 28px;
  width: 100%; max-width: 400px;
  display: flex; flex-direction: column; gap: 12px;
}
.cartao-nome h2 { margin: 0; font-size: 19px; color: var(--azul); }
.cartao-nome p { margin: 0; font-size: 14px; color: var(--texto-suave); }
.cartao-nome input {
  padding: 11px 12px; font-size: 15px;
  border: 1px solid var(--borda); border-radius: 8px;
}
.cartao-nome button {
  background: var(--azul); color: #fff; border: 0; border-radius: 8px;
  padding: 11px; font-size: 15px; cursor: pointer;
}